Why is Excalibur so special?

Why is Excalibur, the legendary sword of King Arthur, considered so unique and special? Is it because of its mythical origins, forged by the fabled blacksmith Wayland the Smith? Or is it due to its role in Arthurian legend, where it is said to have granted its wielder immense power and victory in battle? Additionally, could its symbolic significance as a symbol of justice, leadership, and kingship play a role in its allure? Whatever the reason, Excalibur remains a fascinating and enduring aspect of Arthurian folklore, captivating the imaginations of generations for centuries.